“… Using ultracapacitor as backup power source makes the system small and cost controllable. Moreover, ultracapacitor is green energy, it can be charged and discharged [11].…”
“… Using ultracapacitor as backup power source makes the system small and cost controllable. Moreover, ultracapacitor is green energy, it can be charged and discharged [11].…”
“…[2] Electrochemical energy storage with high energy/power deliveries, prolonged cyclic lifespan, and high efficiency are imminently required for applications in wearable and portable electronic devices, electric and hybrid electric vehicles, and grid energy storage. [5][6][7][8][9] Among various unconventional electric-power devices, rechargeable batteries and electrochemical supercapacitors are two foremost electrochemical systems that are frequently employed in electric powered vehicles as well as compact and wearable consumer electronics. [10][11][12][13][14][15][16][17][18][19][20][21][22][23] Supercapacitors (SCs) are at the forefront of the continuous quest for energy sustainability owing to their superior properties such as high specific capacitance, fast charge-storage capability (low charge/discharge (CD) period of 1-10 s), minimal maintenance requirements, zero memory effects, high safety, and excellent cycling properties.…”
Section: Introductionmentioning
confidence: 99%
“…[ 2 ] Electrochemical energy storage with high energy/power deliveries, prolonged cyclic lifespan, and high efficiency are imminently required for applications in wearable and portable electronic devices, electric and hybrid electric vehicles, and grid energy storage. [ 5–9 ] Among various unconventional electric‐power devices, rechargeable batteries and electrochemical supercapacitors are two foremost electrochemical systems that are frequently employed in electric powered vehicles as well as compact and wearable consumer electronics. [ 10–23 ]…”
Atomic layer deposition (ALD) has become the most widely used thin‐film deposition technique in various fields due to its unique advantages, such as self‐terminating growth, precise thickness control, and excellent deposition quality. In the energy storage domain, ALD has shown great potential for supercapacitors (SCs) by enabling the construction and surface engineering of novel electrode materials. This review aims to present a comprehensive outlook on the development, achievements, and design of advanced electrodes involving the application of ALD for realizing high‐performance SCs to date, as organized in several sections of this paper. Specifically, this review focuses on understanding the influence of ALD parameters on the electrochemical performance and discusses the ALD of nanostructured electrochemically active electrode materials on various templates for SCs.It examines the influence of ALD parameters on electrochemical performance and highlights ALD's role in passivating electrodes and creating 3D nanoarchitectures. The relationship between synthesis procedures and SC properties is analyzed to guide future research in preparing materials for various applications. Finally, it is concluded by suggesting the directions and scope of future research and development to further leverage the unique advantages of ALD for fabricating new materials and harness the unexplored opportunities in the fabrication of advanced‐generation SCs.
“…Supercapacitors are able to store a large amount of energy than that of traditional capacitors; they have the capacity to deliver more power than that of batteries and they have a large number of charge/discharge cycles . Due to these characteristics, supercapacitors have been used for various applications, for example, electric vehicles,() power quality,() and renewable energy applications,() to name a few, with applications in diverse scales from energy storage. Traditionally, the supercapacitor has been modeled using RC networks.…”
In this paper, we estimate the parameter values of a fractional-order model of supercapacitors involving fractional derivatives of Liouville-Caputo, Caputo-Fabrizio, and Atangana-Baleanu and fractional conformable derivative in the Liouville-Caputo sense. We present the exact solution of the considered model using the properties of the Laplace transform operator together with the convolution theorem. They developed numerical simulations using each one of the fractional derivatives; the results were compared graphically with experimental data obtained from different supercapacitors using standard laboratory equipment. The nonlocal parameters involved in the equivalent electrical circuit for the supercapacitor model are recalculated for each fractional derivative using a particle swarm optimization algorithm for generating optimal solutions. KEYWORDS exponential decay-law, fractional calculus, fractional conformable derivative, Mittag-Leffler function, power-law, supercapacitor model Int J Circ Theor Appl. 2019;47:1225-1253.wileyonlinelibrary.com/journal/cta
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